message foo2 {
optional foo1 stuff1 = 1;
optional foo2 stuff2 = 2;
}
foo1 msg_foo1;
foo2 msg_foo2;
msg_foo2.set_stuff1(foo1);
This is the concept of what I'm trying to do.
On Sep 23, 8:25 am, Henner Zeller <h.zel...@acm.org> wrote:
> Hi,
>
> On Wed, Sep 23, 2009 at 08:13, jayt0...@gmail.com <jayt0...@gmail.com> wrote:
>
> > I am having trouble accessing many members of my .proto file. It
> > seems that compound members are not accessible with set_() method
> > calls. I saw in your example code the use of mutable_() calls. What
> > does this apply to and is there documentation on it? could this be the
> > solution to my problem?
>
> You should describe your problem more closely, it is not quite clear
> what you mean.
>
> If you have a message Bar, that contains a message Foo, say:
>
> message Foo {
> optional int32 value = 1;
>
> }
>
> message Bar {
> optional Foo foo = 1;
>
> }
>
> you would access 'foo' to set a value with
> Bar message;
> message.mutable_foo()->set_value(42);
> If there is no 'foo', it will implicitly be created (so has_bar() will
> return 'true' afterwards').
>
> .. while accessing can be const
> if (message.has_foo())
> printf("%d", message.bar().value());
>
> But it sounds like you would like to 'set' a complete Foo message. So
> if you want to 'set' a complete Foo, you would use CopyFrom()
> Foo foo_message;
> foo_message.set_value(42);
>
> Bar bar_message;
> bar_message.mutable_bar()->CopyFrom(foo_message);
>
> -h
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